n: 30 m: 482 packed: 10 density: 0 nodes: 0 solveTime: 21360 buildTime: 140 solved: true
{0,2,20}
{1,3,9}
{4,6,8}
{5,12,16}
{7,14,17}
{10,13,22}
{11,25,28}
{15,26,27}
{18,23,24}
{19,21,29}